Improvement in plows



UNITE@ STATES PATENT OFFICE.

TI-IOMAs PATTERSON, OE nusH, ILLINOIS.

IMPROVEMENT IN PLOws.

Specification forming part of Letters Patent No. 32,311, dated May 14,1861.

in which- Figure lis alongitudinal section through the improved machine,taken in the vertical plane indicated by red lines w x in Fig. 2. Fig. 2is a top view of the machine.

Similar letters of reference indicate corresponding parts in 'bothfigures.

This invention is an improvement in oper- I ating turn-plowshares forvery heavy or light plowing, wherein the plow is supported under acarriage and raised and depressed by the plowman while sitting on thecarriage.

The invention consists in connecting and bracing the plow-body to abeam, which is suitably jointed to the front part of the axle-tree ofthe carriage, and which projects out a suitable distance in front ofsaid axle-tree, said beam being connected near its front end by jointedstraps to a lever which is arranged in a convenient position to beoperated by the plowman, as will be hereinafter described, and also atits front end by a jointed arm and chains to a sliding cross-tree towhich the team are attached, all as will be hereinafter fully explained.

To enable those skilled in the art to make and use my invention, I willproceed to describe its construction and operation.

A represents an axle-tree, carrying on its ends wheels B B, one ofwhich, B', is somewhat smaller in diameter than the other, B, for thepurpose of keeping the axle-tree nearly horizontal, while one of thewheels runs in the furrow and the other over the unplowed ground.

C is the drivers seat, which is mounted over axle A on springs C C', andsituated near the large wheel B.

D is the draft-pole, which is securely bolted to the axle-tree A, asnear to the hub of wheel B as possible without touching this hub.Draft-pole D projects out a suitable distance from the front side ofaxle-tree A, and h'as a cross-tree, (ban) D,attachedto it some distancein advance of the wheel B, in such a manner that this cross-treeD isallowed to slide back and forth on the pole D, and at the same time towork on a central pivot, a, the ends of which pass into longitudinalslots in plates b b', the- 'former of which is a guard for holding thetree D down on the pole D. The draft-pole D is securely braced at itsrear end to the axle-tree A by a strap, C.

Below the draft-pole D is a beam, E, which is securely pivoted at itsrear end to the axletree A, directly under the pole D, and whichproceeds out from the aXle-tree beyond the wheel B. This beam beingpivoted at one end, as before stated, its forward end can be moved up ordown by a longitudinal lever, F, which is arranged on top of pole D, towhich the front end of beam E is attached by two straps,

d d, which are jointed-at their ends to each side of the beam E, andalso to the front end of lever F. Lever F has its fulcrum on post F',and its rear end or long arm can be fixed at any desiredpoint to thepostF2, both of which,

post F and post F2, are secured to and proj ect up from the pole Dalongside of the drivers seat C.

The plow-body G is constructed of a frame, e, to which the mold-boardand share are securely bolted. This plow-body has no landside, but a iinor colter, k, is secured to the landside edge of the frame e, andprojects up therefrom a suitable distance for making a vertical cutthrough the sod to facilitate the passage of the plow. The upper end ofthe frame e is bolted to the frontend of movable beam E, and with thetwo brace rods g gthe plow-body is securely fixed to this beam E in therelative position with wheel B shown in Figs. 1 and 2 of the drawings.This wheel B, it will be seen, will follow in the furrow made by theplow, and the smaller wheel, B', will run-on the unplowed land, thuskeeping the axle-tree in a horizontal position.

0n the top of the beam E, near its front end, i

a short transverse bar, h, is pivoted, to the ends of which two chains,K K, are fastened. The other ends of chains K K are attached to hooks 'ii on the back part of the cross-tree, and on each side of the slottedguard-plate. These two chains K K can be shortened or lengthened atpleasure.

Now it will be seen that when the team is hitched to the cross-tree D',the chains K K being properly adjusted the draft of the team will bedirectly from the end of beam E, and

much of the strain on lever F occasioned by the downward tendency of theplow-body will loe removed. The lever will not therefore requireniuchlabor on the part of the driver to operate it in` regulating thedepth of the plow or in raising the plow entirely from the ground.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

The plow-body G, secured to jointed beam E, as described, in combinationwith straps d d,

lever F, jointed loar 7L, chains K K, and jointed THOMAS PATTERSONlVitnesses:

J. KING, H. S. TowNsnND.

